Answer:
4(10)5x=200 = x=log50 / 5
Step-by-step explanation:
The answer is 9.48. also I rounded
Answer:
x=-6 is an extraneous solution
Step-by-step explanation:
we have

squared both sides



solve the quadratic equation by graphing
The solution is x=-6 and x=-1
see the attached figure
<u><em>Verify each solution</em></u>
substitute the value of x in the original expression
For x=-6


----> is not true
so
Is an extraneous solution
For x=-1


----> is true
so
Is the solution
Answer:
4
Step-by-step explanation:
Answer:
B
Step-by-step explanation: